How many of these machines would one need? 5 of them, each dedicated to one color? (Black, Brown, Burgundy & Clear, Cordovan) or do you buy several buffing attachments for one machine? Can someone post a photo or link please. I would like to see this. I Google'd but saw only industrial machines. This is interesting.

Because they contain silicone! (Pass one on your hand and see how it feels) Carry a travel shoe kit - neutral paste and wax that can handle your shoes - part of the travel planning - a small brush and a shining-buffing rag! Simpler enough!